# Constellium (CSTM) — Overview

CSTM · NYSE · Stock

Canonical page: https://www.lighthorse.io/tickers/cstm

## Price

Last close $25.47 on Oct 15, 2026. 52-week range $14.75 – $36.15.

## Company profile

Constellium SE is engaged in the development, manufacture and sale of a broad range of high value-added specialty rolled and extruded aluminum products to the aerospace, space, defense, packaging, automotive, commercial transportation and general industrial end-markets. Its business model is to add value by converting aluminum into semi-fabricated and, in some instances, fully-fabricated alloyed aluminum products that meet stringent and performance-critical requirements from customers. It operates through three segments: Aerospace & Transportation Operating Segment, Packaging & Automotive Rolled Products Operating Segment, and Automotive Structures & Industry Operating Segment. It serves Aerospace, Packaging and Automotive and operates in the United States, France, Germany and others.

## Frequently Asked Questions

### How do I buy stock in Constellium (CSTM)?

CSTM trades commission-free with a Light Horse Securities brokerage account — from the mobile app, the web at [Light Horse Dashboard](https://portal.lighthorse.io), the trading API, or an [AI agent connected over MCP](/instructions/ai/claude). The trade panel on this page places the order once you are signed in.

## Similar Stocks

- [KALU](https://www.lighthorse.io/tickers/kalu) — Kaiser Aluminum Corporation - Common Stock

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Data provided by [AInvest](https://www.ainvest.com).